MIKROTIK VLAN SWITCH

https://www.derekseaman.com/2021/03/home-lab-mikrotik-ccr2004-and-crs317-configuration.html Very recently I decided to completely re-do my home lab hardware, and really step things up a few notches. My previous home lab gear was too old to use for anything useful, so out with old and in with the new! As a result of this new gear, I wanted to publish at least … Číst dál

RESEARCH ON PERFORMANCE TUNING OF HDD-BASED CEPH* CLUSTER USING OPEN CAS

source is here https://01.org/blogs/tingjie/2020/research-performance-tuning-hdd-based-ceph-cluster-using-open-cas PREFACE Ceph* is a widely used distributed-storage solution. The performance of Ceph varies greatly in different configuration environments. Many clusters in production environments are deployed on hard disks. For various types of workloads, performance requirements are also different. We built a Ceph cluster based on the Open-CAS caching framework. We made … Číst dál

Instalace Micropython a Vscode

Instalace vscode https://linuxize.com/post/how-to-install-visual-studio-code-on-ubuntu-18-04/ sudo apt update sudo apt install software-properties-common apt-transport-https wget wget -q https://packages.microsoft.com/keys/microsoft.asc -O- | sudo apt-key add – sudo add-apt-repository „deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main“ sudo apt update sudo apt install code Instalace pluginu vscode – https://lemariva.com/blog/2018/12/micropython-visual-studio-code-as-ide instalace pymakr instalace esptools.py node.js Instalace micropython na device esp32 nebo esp8266 https://lemariva.com/blog/2020/03/tutorial-getting-started-micropython-v20 následně připojení … Číst dál

spree ecommerce howto

Instalace Ruby on Rails and git account sudo snap install ruby –classic nebo https://gorails.com/setup/ubuntu/18.04 https://websiteforstudents.com/installing-postgresql-10-on-ubuntu-16-04-17-10-18-04/   Debuging on vscode https://dev.to/dnamsons/ruby-debugging-in-vscode-3bkj create databasse    spree and cms http://www.brice-sanchez.com/5-easy-steps-to-use-refinery-cms-and-spree-e-commerce-on-the-same-ruby-on-rails-application/

Proxmox opravy virtualu

https://icicimov.github.io/blog/virtualization/Adding-RBD-CEPH-remote-cluster-storage-to-Proxmox/ root@hpnode1:~# rbd showmapped id pool image snap device 0 rbd vm-101-disk-1 – /dev/rbd0 1 rbd vm-106-disk-1 – /dev/rbd1 10 rbd vm-180-disk-0 – /dev/rbd10 rbd snap rm rbd/vm-142-disk-1@vzdump ceph health detail ceph pg repair 4.90 pvesm status  

proxmox windows 10 poor cpu idle

https://forum.proxmox.com/threads/high-cpu-load-for-windows-10-guests-when-idle.44531/   if somebody can test with editing /usr/share/perl5/PVE/QemuServer.pm if ($winversion >= 7) { push @$cpuFlags , ‚hv_relaxed‘; } to if ($winversion >= 7) { push @$cpuFlags , ‚hv_relaxed‘; push @$cpuFlags , ‚hv_synic‘; push @$cpuFlags , ‚hv_stimer‘; } then systemctl reload pvedaemon and stop/start the vm, to see if it’s reduce cpu.